Check How would the introduction of working animals benefit indigenous people of the Americas?
O Working animals improved irrigation.
O Working animals could be used for their fur.
O Working animals made farming and transportation easier.
O Working animals could be kept as pets for wealthy people.

answer is b.

  it is always the best policy to have good communication and good relations between individuals and, specially, between leaders of the countries. for this purpose, among others, there is a common place, the united nations, where the representants can present his and learn about the other country's policies.

1 wagon is the right answer

the colonial period, since this was a time of mass immigration from a variety of people from europe.